<?php

/*
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
 * Copyright (C) 2006-2009 Dan Fuhry
 * stats.php - handles statistics for pages (disablable in the admin CP)
 *
 *   ***** UNFINISHED ***** 
 *
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
 */

function doStats( $page_id = false, $namespace = false )
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	if(getConfig('log_hits') == '1')
	{
		if(!$page_id || !$namespace)
		{
			$page_id = $paths->page_id;
			$namespace = $paths->namespace;
		}
		if($namespace == 'Special' || $namespace == 'Admin') 
		{
			return false;
		}
		static $stats_done = false;
		static $stats_data = Array();
		if(!$stats_done)
		{
			$q = $db->sql_query('INSERT INTO '.table_prefix.'hits (username,time,page_id,namespace) VALUES(\''.$db->escape($session->username).'\', '.time().', \''.$db->escape($page_id).'\', \''.$db->escape($namespace).'\')');
			if(!$q)
			{
				echo $db->get_error();
				return false;
			}
			$db->free_result();
			$stats_done = true;
			return true;
		}
	}
}

/**
 * Fetch a list of the most-viewed pages
 * @param int the number of pages to return, send -1 to get all pages (suicide for large sites)
 * @return array key names are a string set to the page ID/namespace, and values are an int with the number of hits
 */

function stats_top_pages($num = 5)
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	if(!is_int($num)) 
	{
		return false;
	}
	
	$data = array();
	$q = $db->sql_query('SELECT COUNT(hit_id) AS num_hits, page_id, namespace FROM '.table_prefix.'hits GROUP BY page_id, namespace ORDER BY num_hits DESC LIMIT ' . $num . ';');
	
	while ( $row = $db->fetchrow($q) )
	{
		$title = get_page_title_ns($row['page_id'], $row['namespace']);
		$data[] = array(
				'page_urlname' => $paths->get_pathskey($row['page_id'], $row['namespace']),
				'page_title' => $title,
				'num_hits' => $row['num_hits']
			);
	}
	
	return $data;
}

?>
